PAT 甲级 1011 World Cup Betting

#include <iostream>
#include <cstdio>
#include <cmath>

void betAns(char c[], int n,int index);
int main() {
    //std::cout << "Hello, World!" << std::endl;
    int cnt=0,flag=1;
    double rate[3][4],tmp[4],sum=1;
    char ans[4];
    for (int i = 0; i < 3; ++i) {

        for (int j = 0; j < 3; ++j) {
        scanf("%lf",&rate[i][j]);
        if (flag){
        tmp[cnt]=rate[i][j];
        betAns(ans,j,cnt);
            flag=0;
        }
        if(rate[i][j]>tmp[cnt]){
            tmp[cnt]=rate[i][j];
            betAns(ans,j,cnt);
        }
        }

        cnt++;

    }
    cnt=0;
    for (int i = 0; i < 3; ++i) {
        sum*=tmp[cnt++];
    }
    sum=(sum*0.65-1)*2;
    for (int i = 0; i < 3; ++i) {
    printf("%c ",ans[i]);

    }
    printf("%.2lf",sum);
    return 0;
}

void betAns(char c[], int n,int index)
{
    if (n==0){
        c[index]='W';
    }else if(n==1){
        c[index]='T';
    }else {
        c[index]='L';
    }

}

我的

#include <cstdio>
 
int main()
{
    int n;
    char s[3]={'W','T','L'};
    double m[3]={-1},t;
    for(int i=0;i<3;++i)
    {
        int index=0;
        double maxp=-1;
        for(int j=0;j<3;++j)
        {
            scanf("%lf",&t);
            if(t>maxp)
            {
                maxp=t;
                index=j;
            }
        }
        m[i]=maxp;
        printf("%c ",s[index]);
    }
    double ans=(m[0]*m[1]*m[2]*0.65-1)*2;
    printf("%.2f
",ans);
    return 0;
}

带佬的

总结：字母输出可以在每次小循环结束后，

将输出字母声明好，每轮小循环输出对应下标

不需要存储每轮读取，只需存最大值